Cod sursa(job #2203995)

Utilizator dorinm17Manea Dorin dorinm17 Data 13 mai 2018 23:09:58
Problema Factorial Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.47 kb
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    int p, n=5, ct=1, x;
    ifstream f("fact.in");
    ofstream g("fact.out");
    f>>p;
    if(p==0)
    {
        g<<1;
        return 0;
    }
    while(ct<p)
    {
        n+=5;
        x=n;
        while(x%5==0)
        {
            ct++;
            x/=5;
        }
    }
    if(ct==p)
        g<<n;
    else
        g<<-1;
    f.close();
    g.close();
    return 0;
}